Astronomy Ranking Task: The Seasons - University of Nebraska–Lincoln

Exercise #2

Astronomy Ranking Task: The Seasons

Description: In each figure below a flashlight is shown projecting identical beams of light onto pieces of paper (A ? D) inclined at various angles.

A. Ranking Instructions: Rank the size of the illuminated area (from largest to smallest) on each piece of paper (A ? D).

Ranking Order: Largest 1 _____ 2 _____ 3 _____ 4 _____ Smallest

Or, the illuminated areas are all the same size. ________ (indicate with check mark).

Carefully explain your reasoning for ranking this way: _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________

B. Ranking Instructions: Rank the brightness (from brightest to dimmest) of each illuminated area on the pieces of paper (A ? D).

Ranking Order: Brightest 1 _____ 2 _____ 3 _____ 4 _____ Dimmest

Or, the areas are all the same brightness. ________ (indicate with check mark).

Carefully explain your reasoning for ranking this way: _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________

C. Ranking Instructions: Imagine that you placed a very sensitive thermometer against the illuminated area of each piece of paper and measured its temperature. Rank the temperature (from coolest to hottest) of each illuminated area (A ? D).

Ranking Order: Coolest 1 _____ 2 _____ 3 _____ 4 _____ Hottest

Or, the temperatures of each illuminated area would all be the same. ________ (indicate with check mark).

Carefully explain your reasoning for ranking this way: _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________

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